Convert to USES=pgsql

With hat:	portmgr
Convert to USES=pgsql
- Convert USE_BZIP2 to USES
- Sort plist
Fix version comparison
- Convert misc/xosd and dependent ports which need it (deskutils/xneur, polish/ekg2, polish/gnugadu2, sysutils/lineak-xosdplugin) to USES=libtool, drop .la files
- Since xosd shlib version has changed, bump all ports which depend on it
- Stagify deskutils/xneur
- Convert USE_BZIP2 to USES
- Use new LIB_DEPENDS syntax

Approved by:	portmgr blanket
Revert previous commit, it was not supposed touch this port yet

With hat:	portmgr
Add the updating entry about lua
net-im/jitsi: Fix DragonFly breakage exposed by staging

This is a no-op substition for FreeBSD (general fix-it blanket)
Fix lua detection
Revert update which should not have happen
- Add CONFLICTS

CR:		D70
Approved by:	bapt (portmgr)
Update to 3.05
scons expect lots of variables to be set as arguments
Switch to USES=scons
Fix build with new lua
Update to 304

PR:		190185
Submitted by:	pi
Add perl 5.20.0.

Changes:	http://search.cpan.org/dist/perl-5.20.0/pod/perldelta.pod
Sponsored by:	Absolight
Switch to USES=scons
Convert to USES=scons
Support stage
Convert to USES=scons
- Update to 4.3.18
- Port is sound enough to parallel build [1]

PR:		189207 [1]
Submitted by:	Jia-Shiun Li <jiashiun@gmail.com> [1]